Testing the PSUs consisted of first hooking them up to a HP/Agilent 6842A Harmonic Flicker Test System. While capable of a lot more than it was used for, I used the 6842A as little more than a ...

So I'm using my multimeter on a PSU of mine that worked fine with my ASRock 939DUAL Sata-II board, but when I upgraded to a board that needed the extra 4 pins of the ATX connector, it suddenly was a ...